Longimetra. 

 The 2 i Chapter 



Howycmay rr.oftplcafantly andnc.idly witha plaine gbfle from 

 anhJgh'clifFe, mcafurctkcdiltanceofanyShippeor 

 Ships en the Sea,as foJIoweth, 



a"^g ^)e Icfi fcinue of (SUETt foj tbis purpofe is of ffeele fine Ip puHiujeD 5 fo 

 R;v tl ' at ^ e ^"Pftficic^ tbereof beefmootbe 3 neitbcr ronuereno? con< 



rauc, but flat anDplaine 29 map bepotttole. 

 ttctl) pee to bang tyfebmie tbe top of tbe cliffe tottb tbe puUifijcD fl^c 

 uptonctoart) equr Diftant to tbf ^)D?ijon toljfretnpouitiuftufe great 

 ,fo? if tbcreliappm anp erio^in tlje fitttattontbereof,grcac 

 ' inroiutcnicnrc map foUoiue in pour mcnfuratiow. Cbis Uone, let a 

 plumbe line fall from ibf Centre cfpour (g lalTe to tbe gmperftaw 

 pjrountJ platte en rt;c top of tbe clifFc : ( toljkb grouitDe plattc ) alfo pou mutt 'ft fe fome mlt= 

 ffenre in tbe djopfe tbereof, rtjat it be as leuell anD plamc a$ pe ran finfte anp,but tf it bejidC 

 iltoffitbcrr ueno? etactlenell.pce fljaH fupplte that toante as 31 (baH-bcereafter fyctoe pou: 

 lut to retume to tbe purpofe,pour piaffe tbu0 fituate , turning pour face toiuaro tbe fijip 

 oj otber marke on tbe fea,tobofe uiftante pt e o rdre ,goe barfctoara , altoap bauin^our epe 

 fir CD on tbe 6IafTe till fur b time as pe can fee tbe g>btp ,o? r atbcr tbe fterp ^)ufl net te to tbe 

 toatr r the r cm, tbat Dor.c,Iet another plumbe line fail from pour epe to tbe grount), tben rir . 

 rumfpectlp meafnre botb tbelcngtb of tbefe plumbe lines , ano alfo tbe nitfance bcttocene 

 this plumbe line ann tbe etf>cr tbat Tell from tbe Centre of tbe 0la(Te, tUs none , pee (bail 

 Dctuct tbe iengdj of tbe perpendicular fro m pour epe, out of tbe lengtb of tbe otber pr rp en 

 uirutare from pour laffe, ano tbe difference referue f o? a D ttiifo: , tbcn multiplie tbe Dt 

 dance of tbe rtoo prrpenniculare Itnes^bp tbe betgtb of tbe C liffe , 3S meane from tbe toater 

 tptearoto ^e^IafTe, anc tljepioDurt oiuiDc bppour rtfrntcD Omifo?, tbe Quotient toill 

 fbetepoti t^ec)?actQ!0atice to tbe febtp oi marke,^ut if pour grounu be not IeueU,pe (bail 

 bp-potir 55tiflH?ant fcarrij tbe titference 01 inttjualttie tbereof , ana if it liec lotoer at tbe 

 ?I*fftfbanattfje Vetoing Cation, pou (ball Deftucttfje Difference from pour Diaifo?, but 

 tf fontrur ftifF,f be Difference fi; all be ann CD to t(jc DituTo? , anD tijen fij all pee too^ke as j 



C 2 E*rmj>l* 



No. 1057. 



The celebrated account (printed in 1591) anticipating the invention 

 of the Telescope (ascribed to Galileo, A.D. 1609). 



